ADS7822UC/2K5

Analog To Digital Converters (ADC) Overview

The ADS7822UC/2K5 is a single-channel, 12-bit successive approximation register (SAR) analog-to-digital converter manufactured by Texas Instruments. It operates with an analog supply voltage range of 2.7 V to 5.25 V and features a maximum sampling rate of 200 kS/s. The device utilizes a 3-wire serial interface compatible with standard digital protocols. It supports pseudo-differential or single-ended input configurations and requires an external reference voltage. Key performance metrics include a signal-to-noise and distortion ratio (SINAD) of 71 dB, differential nonlinearity (DNL) of ±0.75 LSB, and integral nonlinearity (INL) of ±0.75 LSB. Power consumption is specified at 1.6 mW. The component is housed in an 8-pin VSSOP package and is rated for operation within a temperature range of -40°C to +85°C.

Analog To Digital Converters (ADC) Feature Summary

• MicroPower architecture enabling low energy consumption suitable for battery-operated systems
• High-speed 200 kS/s sampling capability with 12-bit resolution
• Flexible input configuration supporting both pseudo-differential and single-ended modes
• Standard 3-wire serial interface for simplified microcontroller integration

Analog To Digital Converters (ADC) Applications

• Portable instrumentation and data acquisition systems
• Battery-powered measurement devices requiring low power consumption
• Industrial process control applications with single-channel requirements
• Medical equipment utilizing low-voltage analog signal processing

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'UC' against official Texas Instruments documentation to confirm the package type and temperature grade. Ensure the '/2K5' designation matches the required reel quantity for surface-mount assembly processes. Cross-reference the datasheet revision date to validate electrical parameters against current manufacturing standards.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a balance between moderate speed and ultra-low power consumption is required for single-channel applications. Consider the external reference requirement if system design allows for additional board space. Evaluate the VSSOP-8 package constraints regarding thermal dissipation and PCB layout density compared to alternative packages like SOIC-8.

Analog To Digital Converters (ADC) Part Context

The ADS7822UC/2K5 belongs to the ADS7822 family of microPower ADCs from Texas Instruments. This series is designed for applications demanding high accuracy at low power levels. The UC variant specifically denotes the VSSOP-8 package option, distinguishing it from other package types such as the SOIC-8 or MSOP variants available within the same functional family.

Analog To Digital Converters (ADC) Replacement Considerations

ADS7822U/2K5: Offers identical electrical specifications but utilizes an SOIC-8 package instead of VSSOP-8. Requires footprint modification during replacement. ADS7822EC/2K5: Provides similar performance characteristics but may differ in packaging or specific ordering suffixes; verify pin compatibility and thermal properties before substitution.